摘要 |
The present invention relates to a power generation apparatus of various types and including a floating body, to a ship propelling apparatus, and to a wing part which is provided in the power generation apparatus and including a wing frame having a multi-stage lattice net structure, and which has a foldable and windable wing. The power generation apparatus consists essentially of: a submerged floating body having a floating space therein, and having a closed side and an open side; a rotation body rotatably coupled to the inside of the submerged floating body and provided with a first wing part on the other side; and a power generation means arranged between the submerged floating body and the rotation body to generate power. |